GC analysis of heroin without the use of a derivatization step will Outcome: Allows access to solvents trapped within the crystal matrices of samples.

Sep 28, 2012 Most modern GC systems have a “septum-purge”, which is designed to “sweep” septa's volatile components away. If this purge is not functioning ...

Aug 19, 2022 While holding the septa, pressurize the inlet from the GC front touch ... the one of the valves in the split line has failed or stuck open.

Although GC has been in use for more than three decades, the simple solution of sealing a hot, pressurized injection system with a slice of silicone is 

Apr 5, 2016 Regular maintenance of your GC inlet will help you avoid chromatographic issues, and reduce your stress. In this video, Herb Brooks, ...

Aijiren's Gold Standard GC Autosampler Syringes Stuck septa particles can cause sealing problems on next septum installation.

A gas chromatography-mass spectrometry (GC-MS) method was developed for urinary levels of 1,2-DHN and 1,4-DHN in coke workers (14 top workers and 13 ...

Our Technical Service chemists help GC users solve problems that are often the direct result of overused septa or dirty injection port items.

GC Injector Septa - Introduction, Premium Medium Temperature Septa Fragments from the cored septum can become trapped in the injector or column and ...